Adisk drive manufacturer sells storage devices with capacities of one terabyte, 500 gigabytes, and 100 gigabytes with probabilities 0.5, 0.3, and 0.2, respectively. the revenues associated with the sales in that year are estimated to be $50 million, $25 million, and $10 million, respectively. let x denote the revenue of storage devices during that year. determine the probability mass function of x.

In a file-oriented information system, a transaction file stores relatively permanent data about an entity is created and saved for backup and recovery purposes stores records that contain day-to-day business and operational data is a temporary file created by an information system for a single task

Sometimes writers elaborate on the truth when recalling past events so they can enhance their narrative essay with more interesting descriptions. do you feel that published writers should or should not embellish real life events just to make their stories more interesting?

Assume that there is a 4% rate of disk drive failure in a year. a. if all your computer data is stored on a hard disk drive with a copy stored on a second hard disk drive, what is the probability that during a year, you can avoid catastrophe with at least one working drive? b. if copies of all your computer data are stored on three independent hard disk drives, what is the probability that during a year, you can avoid catastrophe with at least one working drive?